Want to invest 1 lack for tax saving & need advice about a tax saving scheme or I I pay tax & invest in gold?

I want lan to invest Rs. 100000 for tax saving for the current financial year. Can you suggest which is the best scheme
in HUF and Individual age 80 year mother , age 50 Huband, age 45 wife , age 18 year old child or just invest in gold after paying tax

I should go for Top 5 tax Saving Mutual Fund based on lat 1 year returns

* SBI Magnum Tax Gain 1993
* Birla Sunlife Tax Relief 1996
* Sundaram BNP Paribas Tax Saver
* Franklin India Tax Shield
* Prudential ICICI Tax Plan

I should Gof for insurance
LIC
ICICI
Birla
Max New york Life

i dont have ppf account